register_index
ec_read(register_index(ec->registers[ireg]),
MLXSW_ITEM32(reg, pprr, register_index, 0x00, 0, 8);
static inline void mlxsw_reg_pprr_pack(char *payload, u8 register_index)
mlxsw_reg_pprr_register_index_set(payload, register_index);